Inventor
ZEPEDA ALFRED
US11 patents
Patents
11 patentsUS6000791ADec 14, 1999
Printer having a removable print cartridge with handle incorporating an ink inlet value
HEWLETT PACKARD CO91 citations97
US5751320AMay 12, 1998
Ink recharger for inkjet print cartridge having sliding valve connectable to print cartridge
HEWLETT PACKARD CO133 citations97
US5675367AOct 7, 1997
Inkjet print cartridge having handle which incorporates an ink fill port
HEWLETT PACKARD CO93 citations96
US6158851ADec 12, 2000
Ink valve having a releasable tip for a print cartridge recharge system
HEWLETT PACKARD CO53 citations95
US5886719AMar 23, 1999
Ink valve having a releasable tip for a print cartridge recharge system
HEWLETT PACKARD CO59 citations95
US5874976AFeb 23, 1999
Inkjet cartridge fill port adapter
HEWLETT PACKARD CO63 citations94
US5966156AOct 12, 1999
Refilling technique for inkjet print cartridge having two ink inlet ports for initial filling and recharging
HEWLETT PACKARD CO34 citations92
US5963238AOct 5, 1999
Intermittent refilling of print cartridge installed in an inkjet printer
HEWLETT PACKARD CO26 citations92
US5852458ADec 22, 1998
Inkjet print cartridge having a first inlet port for initial filling and a second inlet port for ink replenishment without removing the print cartridge from the printer
HEWLETT PACKARD CO25 citations92
US5777648AJul 7, 1998
Inkjet print cartridge having an ink fill port for initial filling and a recharge port with recloseable seal for recharging the print cartridge with ink
HEWLETT PACKARD CO28 citations92
US5748216AMay 5, 1998
Inkjet print cartridge having valve connectable to an external ink reservoir for recharging the print cartridge
HEWLETT PACKARD CO32 citations92